Geroscience is an interdisciplinary field that studies the biological mechanisms of aging and the associated diseases. There are several synonyms for this term, each of which highlights a specific aspect of this field. One such synonym is "biogerontology," which emphasizes the study of aging at the molecular and cellular level. "Age-related biology" is another synonym that emphasizes the biological processes that change with age. "Longevity science" denotes the focus on promoting healthy aging and extending lifespan. "Aging research" encompasses all of these aspects and relates to the broader field of gerontology. Regardless of the synonym used, the goal of geroscience is to improve the quality of life for older adults.